Last name Yodko (Yodko 
, Иодко 
) , throughout the world, is a rare cognomen. The surname Yodko is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan. Measured by absolute frequency, it is commonest in Russia, Belarus, and Argentina. Much less frequently, Yodko is the forename as well as the last name.